集群-ShardingSphere

https://shardingsphere.apache.org/index_zh.html

https://shardingsphere.apache.org/document/legacy/4.x/document/cn/overview/

1、下载安装 Sharding-Proxy

4.0.0版本 链接: https://pan.baidu.com/s/1dJJVziURzEzrSp0v9liqjQ 提取码: fdf9

以下内容以4.0.0版本说明

4.0.0版本 ①将 mysql-connector-java-5.1.47.jar复制到 /mydata/apache-shardingsphere-incubating-4.0.0-sharding-proxy-bin/lib 目录下

链接: https://pan.baidu.com/s/12_Ghmo4Pms5NMCmsdAfs5A 提取码: eg3v

server.yaml 服务配置

authentication:
 users:
   root:
     password: root
   sharding:
     password: sharding 
     authorizedSchemas: sharding_db
#
props:
#  max.connections.size.per.query: 1
#  acceptor.size: 16  # The default value is available processors count * 2.
 executor.size: 16  # Infinite by default.
#  proxy.frontend.flush.threshold: 128  # The default value is 128.
#    # LOCAL: Proxy will run with LOCAL transaction.
#    # XA: Proxy will run with XA transaction.
#    # BASE: Proxy will run with B.A.S.E transaction.
#  proxy.transaction.type: LOCAL
#  proxy.opentracing.enabled: false
#  query.with.cipher.column: true
 sql.show: true       

config-sharding.yaml 分库分表配置

######################################################################################################
#
# If you want to connect to MySQL, you should manually copy MySQL driver to lib directory.
#
######################################################################################################

schemaName: sharding_db
#
dataSources:
  ds_0:
    url: jdbc:mysql://10.206.0.14:3307/demo_ds_0?serverTimezone=UTC&useSSL=false
    username: root
    password: zan123456
    connectionTimeoutMilliseconds: 30000
    idleTimeoutMilliseconds: 60000
    maxLifetimeMilliseconds: 1800000
    maxPoolSize: 50
  ds_1:
    url: jdbc:mysql://10.206.0.14:3307/demo_ds_1?serverTimezone=UTC&useSSL=false
    username: root
    password: zan123456
    connectionTimeoutMilliseconds: 30000
    idleTimeoutMilliseconds: 60000
    maxLifetimeMilliseconds: 1800000
    maxPoolSize: 50
#
shardingRule:
  tables:
    t_order:
      actualDataNodes: ds_${0..1}.t_order_${0..1}
      tableStrategy:
        inline:
          shardingColumn: order_id
          algorithmExpression: t_order_${order_id % 2}
      keyGenerator:
        type: SNOWFLAKE
        column: order_id
    t_order_item:
      actualDataNodes: ds_${0..1}.t_order_item_${0..1}
      tableStrategy:
        inline:
          shardingColumn: order_id
          algorithmExpression: t_order_item_${order_id % 2}
      keyGenerator:
        type: SNOWFLAKE
        column: order_item_id
  bindingTables:
    - t_order,t_order_item
  defaultDatabaseStrategy:
    inline:
      shardingColumn: user_id
      algorithmExpression: ds_${user_id % 2}
  defaultTableStrategy:
    none:

config-master_slave_0.yaml 读写分离配置

######################################################################################################
#
# If you want to connect to MySQL, you should manually copy MySQL driver to lib directory.
#
######################################################################################################

schemaName: sharding_db_0

dataSources:
 master_0_ds:
   url: jdbc:mysql://10.206.0.14:3307/demo_ds_0?serverTimezone=UTC&useSSL=false
   username: root
   password: zan123456
   connectionTimeoutMilliseconds: 30000
   idleTimeoutMilliseconds: 60000
   maxLifetimeMilliseconds: 1800000
   maxPoolSize: 50
 slave_ds_0:
   url: jdbc:mysql://10.206.0.14:3317/demo_ds_0?serverTimezone=UTC&useSSL=false
   username: root
   password: zan123456
   connectionTimeoutMilliseconds: 30000
   idleTimeoutMilliseconds: 60000
   maxLifetimeMilliseconds: 1800000
   maxPoolSize: 50


masterSlaveRule:
 name: ms_ds_0
 masterDataSourceName: master_0_ds
 slaveDataSourceNames:
   - slave_ds_0
 loadBalanceAlgorithmType: ROUND_ROBIN

config-master_slave_1.yaml 读写分离配置

######################################################################################################
#
# If you want to connect to MySQL, you should manually copy MySQL driver to lib directory.
#
######################################################################################################

schemaName: sharding_db_1

dataSources:
 master_1_ds:
   url: jdbc:mysql://10.206.0.14:3307/demo_ds_1?serverTimezone=UTC&useSSL=false
   username: root
   password: zan123456
   connectionTimeoutMilliseconds: 30000
   idleTimeoutMilliseconds: 60000
   maxLifetimeMilliseconds: 1800000
   maxPoolSize: 50
 slave_ds_1:
   url: jdbc:mysql://10.206.0.14:3317/demo_ds_1?serverTimezone=UTC&useSSL=false
   username: root
   password: zan123456
   connectionTimeoutMilliseconds: 30000
   idleTimeoutMilliseconds: 60000
   maxLifetimeMilliseconds: 1800000
   maxPoolSize: 50


masterSlaveRule:
 name: ms_ds_1
 masterDataSourceName: master_1_ds
 slaveDataSourceNames:
   - slave_ds_1
 loadBalanceAlgorithmType: ROUND_ROBIN

注意：在只用navicat连接时 必须使用指定版本，否则会连接失败